* { margin: 0;
     padding: 0;
      box-sizing: border-box; 
      font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; }
    body { background-color: #dee3de;
         min-height: 100vh; display: flex; 
         justify-content: center; align-items: center; }
   .container { width: 400px;
     background: rgba(246, 249, 245, 0.514);
      border-radius: 8px; 
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
       padding: 30px; }
    h1 { text-align: center;
         margin-bottom: 30px; color: #333; }
   .form-group { margin-bottom: 20px; }
    label { display: block;
         margin-bottom: 8px;
          font-weight: 500; color: #555; }
    input { width: 100%; 
        padding: 12px; 
        border: 1px solid #d8e1dd; border-radius: 4px; font-size: 16px; }
   .btn { width: 100%;
     padding: 14px; background-color: #0c7d2e;
     color: rgb(190, 195, 191);
      border: none; border-radius: 4px;
      font-size: 16px; 
      cursor: pointer;
       transition: background-color 0.3s; }
   .btn:hover { 
    background-color: #0c7d2e;
 }
   .link-group {
     text-align: center; 
     margin-top: 20px;
      font-size: 14px;
     }
   .link-group a { color: #0c7d2e;
     text-decoration: none; }
   .link-group a:hover {
     text-decoration: underline;
     }
   .error-message { color: #e74c3c; 
    font-size: 12px;
     margin-top: 5px; 
     display: none; }
     .logo {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
    }

    .logo img {
      width: 1.2rem;
      height: 1.2rem;
      margin-right: 0.5rem;
    }